Machine Back Extension

Machine Back Extension Standards

Measured in lb

Machine Back Extension strength standards help you to compare your one-rep max lift with other lifters at your bodyweight.

Our community Machine Back Extension standards are based on 23,000 lifts by Strength Level users
Machine Back Extension

Male Machine Back Extension Standards (lb)

Entire Community

Strength Level Weight
Beginner 90 lb
Novice 162 lb
Intermediate 260 lb
Advanced 381 lb
Elite 519 lb
Strength Level Bodyweight Ratio
Beginner 0.50x
Novice 1.00x
Intermediate 1.50x
Advanced 2.25x
Elite 3.00x

How much should I be able to Machine Back Extension? (lb)

What is the average Machine Back Extension? The average Machine Back Extension weight for a male lifter is 260 lb (1RM). This makes you Intermediate on Strength Level and is a very impressive lift.

What is a good Machine Back Extension? Male beginners should aim to lift 90 lb (1RM) which is still impressive compared to the general population.

By Weight and Age

BW Beg. Nov. Int. Adv. Elite
110 42 92 165 258 367
120 50 104 180 278 391
130 58 115 195 297 413
140 66 126 210 314 434
150 74 137 224 331 454
160 82 148 237 348 473
170 90 158 250 363 491
180 97 168 263 379 509
190 105 178 275 393 525
200 112 187 287 407 542
210 119 197 298 421 557
220 127 206 309 434 573
230 134 215 320 447 587
240 140 223 331 459 602
250 147 232 341 471 615
260 154 240 351 483 629
270 160 248 361 495 642
280 167 256 370 506 655
290 173 264 380 517 667
300 179 271 389 527 679
310 185 279 398 538 691
Age Beg. Nov. Int. Adv. Elite
15 76 138 221 325 442
20 87 158 253 372 506
25 90 162 260 381 519
30 90 162 260 381 519
35 90 162 260 381 519
40 90 162 260 381 519
45 85 153 247 362 492
50 80 144 231 340 462
55 74 133 214 314 427
60 67 122 195 287 390
65 61 110 177 259 352
70 55 99 158 232 316
75 49 88 142 208 283
80 44 79 127 186 253
85 39 71 114 167 227
90 35 64 102 150 204

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lb
lb
years old

Female Machine Back Extension Standards (lb)

Entire Community

Strength Level Weight
Beginner 28 lb
Novice 54 lb
Intermediate 90 lb
Advanced 135 lb
Elite 187 lb
Strength Level Bodyweight Ratio
Beginner 0.20x
Novice 0.40x
Intermediate 0.65x
Advanced 0.95x
Elite 1.35x

How much should I be able to Machine Back Extension? (lb)

What is the average Machine Back Extension? The average Machine Back Extension weight for a female lifter is 90 lb (1RM). This makes you Intermediate on Strength Level and is a very impressive lift.

What is a good Machine Back Extension? Female beginners should aim to lift 28 lb (1RM) which is still impressive compared to the general population.

By Weight and Age

BW Beg. Nov. Int. Adv. Elite
90 17 38 69 108 153
100 20 42 73 114 160
110 22 45 78 119 167
120 24 48 82 124 173
130 27 51 86 129 178
140 29 54 89 133 184
150 31 57 93 138 189
160 32 59 96 142 193
170 34 62 99 146 198
180 36 64 102 149 202
190 38 67 105 153 206
200 40 69 108 156 210
210 41 71 111 159 214
220 43 73 113 162 218
230 44 75 116 165 221
240 46 77 118 168 224
250 47 79 121 171 228
260 49 81 123 174 231
Age Beg. Nov. Int. Adv. Elite
15 24 46 76 115 159
20 27 52 87 131 182
25 28 54 90 135 187
30 28 54 90 135 187
35 28 54 90 135 187
40 28 54 90 135 187
45 26 51 85 128 177
50 25 48 80 120 166
55 23 44 74 111 154
60 21 40 67 101 140
65 19 36 61 92 127
70 17 33 55 82 114
75 15 29 49 74 102
80 14 26 44 66 91
85 12 23 39 59 82
90 11 21 35 53 73

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lb
lb
years old

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What do the strength standards mean?

Beginner Stronger than 5% of lifters. A beginner lifter can perform the movement correctly and has practiced it for at least a month.
Novice Stronger than 20% of lifters. A novice lifter has trained regularly in the technique for at least six months.
Intermediate Stronger than 50% of lifters. An intermediate lifter has trained regularly in the technique for at least two years.
Advanced Stronger than 80% of lifters. An advanced lifter has progressed for over five years.
Elite Stronger than 95% of lifters. An elite lifter has dedicated over five years to become competitive at strength sports.